Meet the new insect killing Utah’s fir trees
A nonnative tree-killing insect is invading northern Utah, attacking subalpine fir and potentially triggering yet another die-off of the region’s long-stressed conifer forests. Introduced from central Europe into the Pacific Northwest about a century ago, the balsam woolly adelgid, or BWA, first detected in Utah in 2017 and has been spreading around the Wasatch Mountains, … Read more
